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BatteryClerk Prime FAST 1-2 day shipping to most of Canada
BatteryClerk Prime FAST 1-2 day shipping to most of Canada

UPS Batteries

Power outages shouldn’t mean downtime for your business. At BatteryClerk, we provide a wide range of high-quality replacement batteries for UPS systems, designed to keep your critical equipment running seamlessly during unexpected power disruptions. Our inventory features top brands, and our team of experts is here to help you find the perfect battery for your specific UPS model. With unbeatable prices and fast, reliable shipping, BatteryClerk ensures your business stays protected and operational. Don’t let power interruptions slow you down—shop now and keep your operations running smoothly!

  • Best Technologies Patriot SMT280 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    AJC Battery Compatible with Best Technologies Patriot SMT280 12V 7Ah UPS Battery

    In stock

    Info AJC® replacement compatible with Best Technologies Patriot SMT280 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Mai...

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    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99
  • Best Technologies Patriot 280 UPS 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    AJC Battery Compatible with Best Technologies Patriot 280 UPS 12V 7Ah UPS Battery

    In stock

    Info AJC® replacement compatible with Best Technologies Patriot 280 UPS UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Ma...

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    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99
  • Best Technologies BTG-0302 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    AJC Battery Compatible with Best Technologies BTG-0302 12V 7Ah UPS Battery

    In stock

    Info AJC® replacement compatible with Best Technologies BTG-0302 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenan...

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    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99
  • Best Technologies Blackout Buster/B6U-2 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    AJC Battery Compatible with Best Technologies Blackout Buster B6U-2 12V 7Ah UPS Battery

    In stock

    Info AJC® replacement compatible with Best Technologies Blackout Buster B6U-2 UPS Battery Exact OEM replacement guaranteed to fit easily and precis...

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    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99
  • Best Technologies ME 1.15KVA BAT 0103 12V 75Ah UPS Replacement Battery
    $243.69 - $243.69
    $243.69
    $243.69 - $243.69
    $243.69

    AJC Battery Compatible with Best Technologies ME 1.15KVA BAT 0103 12V 75Ah UPS Battery

    In stock

    Info AJC® replacement compatible with Best Technologies ME 1.15KVA BAT 0103 UPS Battery Exact OEM replacement guaranteed to fit easily and precisel...

    View full details
    $243.69 - $243.69
    $243.69
    $243.69 - $243.69
    $243.69
  • Best Technologies FE 7KVA BAT-0103 12V 75Ah UPS Replacement Battery
    $243.69 - $243.69
    $243.69
    $243.69 - $243.69
    $243.69

    AJC Battery Compatible with Best Technologies FE 7KVA BAT-0103 12V 75Ah UPS Battery

    In stock

    Info AJC® replacement compatible with Best Technologies FE 7KVA BAT-0103 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely M...

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    $243.69 - $243.69
    $243.69
    $243.69 - $243.69
    $243.69
  • Best Technologies FE 18KVA BAT-0103 12V 75Ah UPS Replacement Battery
    $243.69 - $243.69
    $243.69
    $243.69 - $243.69
    $243.69

    AJC Battery Compatible with Best Technologies FE 18KVA BAT-0103 12V 75Ah UPS Battery

    In stock

    Info AJC® replacement compatible with Best Technologies FE 18KVA BAT-0103 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely ...

    View full details
    $243.69 - $243.69
    $243.69
    $243.69 - $243.69
    $243.69
  • Best Technologies Unity UT4K 12V 35Ah UPS Replacement Battery
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29

    AJC Battery Compatible with Best Technologies Unity UT4K 12V 35Ah UPS Battery

    In stock

    Info AJC® replacement compatible with Best Technologies Unity UT4K UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Mainten...

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    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29
  • Best Technologies FERRUPS FES 1.15KVA 12V 35Ah UPS Replacement Battery
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29

    AJC Battery Compatible with Best Technologies FERRUPS FES 1.15KVA 12V 35Ah UPS Battery

    In stock

    Info AJC® replacement compatible with Best Technologies FERRUPS FES 1.15KVA UPS Battery Exact OEM replacement guaranteed to fit easily and precisel...

    View full details
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29
  • Best Technologies FERRUPS MD 500VA 12V 35Ah UPS Replacement Battery
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29

    AJC Battery Compatible with Best Technologies FERRUPS MD 500VA 12V 35Ah UPS Battery

    In stock

    Info AJC® replacement compatible with Best Technologies FERRUPS MD 500VA UPS Battery Exact OEM replacement guaranteed to fit easily and precisely M...

    View full details
    $109.29 - $109.29
    $109.29
    $109.29 - $109.29
    $109.29
  • Best Technologies LI-1020VA B 12V 18Ah UPS Replacement Battery
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19

    AJC Battery Compatible with Best Technologies LI-1020VA B 12V 18Ah UPS Battery

    In stock

    Info AJC® replacement compatible with Best Technologies LI-1020VA B UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Mainte...

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    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19
  • Best Technologies Micro-FERRUPS FE1.4KVA 12V 18Ah UPS Replacement Battery
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19

    AJC Battery Compatible with Best Technologies Micro-FERRUPS FE1.4KVA 12V 18Ah UPS Battery

    In stock

    Info AJC® replacement compatible with Best Technologies Micro-FERRUPS FE1.4KVA UPS Battery Exact OEM replacement guaranteed to fit easily and preci...

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    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19
  • Best Technologies LI 1420 BAT-0058 12V 18Ah UPS Replacement Battery
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19

    AJC Battery Compatible with Best Technologies LI 1420 BAT-0058 12V 18Ah UPS Battery

    In stock

    Info AJC® replacement compatible with Best Technologies LI 1420 BAT-0058 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely M...

    View full details
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19
  • Best Technologies BA-39 12V 18Ah UPS Replacement Battery
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19

    AJC Battery Compatible with Best Technologies BA-39 12V 18Ah UPS Battery

    In stock

    Info AJC® replacement compatible with Best Technologies BA-39 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance ...

    View full details
    $57.19 - $57.19
    $57.19
    $57.19 - $57.19
    $57.19
  • Best Technologies Patriot II Pro 1000 6V 12Ah UPS Replacement Battery
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99

    AJC Battery Compatible with Best Technologies Patriot II Pro 1000 6V 12Ah UPS Battery

    In stock

    Info AJC® replacement compatible with Best Technologies Patriot II Pro 1000 UPS Battery Exact OEM replacement guaranteed to fit easily and precisel...

    View full details
    $19.99 - $19.99
    $19.99
    $19.99 - $19.99
    $19.99
  • Best Technologies LI 750 BAT-0063 6V 10Ah UPS Replacement Battery
    $17.99 - $17.99
    $17.99
    $17.99 - $17.99
    $17.99

    AJC Battery Compatible with Best Technologies LI 750 BAT-0063 6V 10Ah UPS Battery

    In stock

    Info AJC® replacement compatible with Best Technologies LI 750 BAT-0063 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Ma...

    View full details
    $17.99 - $17.99
    $17.99
    $17.99 - $17.99
    $17.99
  • Best Technologies SPI400 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    AJC Battery Compatible with Best Technologies SPI400 12V 7Ah UPS Battery

    In stock

    Info AJC® replacement compatible with Best Technologies SPI400 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance...

    View full details
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99
  • Best Technologies SMT420 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    AJC Battery Compatible with Best Technologies SMT420 12V 7Ah UPS Battery

    In stock

    Info AJC® replacement compatible with Best Technologies SMT420 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance...

    View full details
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99
  • Best Technologies SPI250 12V 7Ah UPS Replacement Battery
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99

    AJC Battery Compatible with Best Technologies SPI250 12V 7Ah UPS Battery

    In stock

    Info AJC® replacement compatible with Best Technologies SPI250 UPS Battery Exact OEM replacement guaranteed to fit easily and precisely Maintenance...

    View full details
    $23.99 - $23.99
    $23.99
    $23.99 - $23.99
    $23.99
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